Collimator Lens - CAY046, 1PCS

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Lens Material : Acrylic
Lens Diameter :
φ7.4 mm
Edge Thickness : 3.05 mm
Design Wavelength : 670nm
Clear Aperture (CA) : φ3.7 mm
Numerical Aperture (NA) : 0.40
Effective Focal Length (EFL) : 4.60 mm(with BK7 t=0.25mm cover glass)
Back Focal Length (BFL) : 3.08 mm
Axis Wave Front Error (RMS) : 0.040 λ
Field Radius : 0.1 mm
Transmission(%) : 90%
Storage Temperature : -25 to 70 ℃
Operating Temperature : 5 to 65 ℃ 



  1.  CAY046 is the most popular bi-aspheric plastic laser collimating lens which is nearly the diffraction limited.
  2.  CAY046 is specified for use as a collimator in combination with a diode laser.


Notice for International Customers outside U.S. - 
Because the shipping from U.S. to other countries is extremely high. In order to save your cost, you could Contact Us with your name, receiving address, and the QTY of the item you would like to purchase. It could help us to know the size and weight of your package in order to find out a cheaper carrier in Asia to deliver your package. We could help to provide a quote and, then, let you pay it via Payapal to complete the order to international destinations.